释义 |
zenithal rain zenithal rain[′zē·nə·thəl ′rān] (meteorology) In the tropics or subtropics, the rainy season which recurs annually or semiannually at about the time that the sun is most nearly overhead (at zenith). zenithal rainIn the tropics or subtropics, the rainy season that recurs annually or semiannually at about the time the sun is most nearly overhead (at its zenith). |